The Packing Assembly, cataloged under National Stock Number 5330-01-633-8668, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-633-8668 |
| Primary Part Number | 845-4677382-5-53 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Cross-Sectional Height | 1.547 INCHES NOMINAL IN |
| Intermediate Ring Quantity | 5 |
| Outside Diameter | 5.080 INCHES MINIMUM AND 5.120 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | ANGLE TOP RING |
| Cross-Sectional Shape Style | V BOTTOM RING |
| Cross-Sectional Shape Style | V INTERMEDIATE RING |
| Inside Diameter | 4.200 INCHES MINIMUM AND 4.235 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR TOP RING |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR BOTTOM RING |
| Material | COTTON AND RUBBER CHLOROPRENE CLASS CR INTERMEDIATE RING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 566-6985426-50 | Bull Hn Information Systems Inc (USA) |
| 845-4677382-5-53 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2642-850-01-5-53 | 5/1 Secondary reference U.S. Government activity |
| H621-0102-50 | 5/1 Secondary reference U.S. Government activity |
NSN 5330-01-633-8668 is a Packing Assembly, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-633-8668 has 2 manufacturer part numbers on file: 566-6985426-50 (Bull Hn Information Systems Inc), 845-4677382-5-53 (Naval Sea Systems Command).
Key specifications for 845-4677382-5-53: Cross-Sectional Height: 1.547 INCHES NOMINAL IN; Intermediate Ring Quantity: 5; Outside Diameter: 5.080 INCHES MINIMUM AND 5.120 INCHES MAXIMUM IN; Cross-Sectional Shape Style: ANGLE TOP RING. 10 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.